December weather forecastMelbourne Beach, FL
December
Weather in December
The first month of the winter, December, is still a pleasant month in Melbourne Beach, Florida, with an average temperature fluctuating between 72.7°F (22.6°C) and 63.7°F (17.6°C).Temperature
December welcomes an average high-temperature of a pleasant 72.7°F (22.6°C), not much different from the preceding month. Melbourne Beach's December nights demonstrate minimal variation from the daytime temperatures, with an average of 63.7°F (17.6°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Melbourne Beach, Florida, in December, during 12.9 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 197.1 rainfall days, and 35.98" (914mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:37 pm EST.
Sunshine
In Melbourne Beach, the average sunshine in December is 6.1h.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 5 in December leads to these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Melbourne Beach, FL
- Average high temperature in December: 72.7°F
The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (69.3°F).
- Average low temperature in December: 63.7°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in December
Melbourne Beach, FL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Melbourne Beach, FL
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is November (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Melbourne Beach, FL
- Average humidity in December: 77%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Melbourne Beach, FL
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is August (6.85").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Melbourne Beach, FL
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is February (9.9 days).
Average daylight in December /
Average sunshine in December
Melbourne Beach, FL
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Melbourne Beach, FL
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Melbourne Beach, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Melbourne Beach, FL
- Average cloud cover in December: 35
The month with the most cloud cover is November (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Melbourne Beach, FL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





